If you're asking yourself exactly where to start your Overleaf and LaTeX journey, you could potentially get started by testing these assets: When working with matrices and brackets, it is necessary that you use scaling of parenthesis as explained in the 1st case in point. See the below instance for https://macheaven.co.uk/2023/10/13/the-art-of-latex-fashion-uks-diverse-dress-scene/